Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers81Choose the best answerThe L shell corresponds to which principal quantum number?An = 1Bn = 2Cn = 3Dn = 4 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum82Choose the best answerFor n₂ = 4 to n₁ = 2, what is the value of (1/n₁² − 1/n₂²)?A0.1875B0.2500C0.7500D0.0625 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Isotopes83Choose the best answerWhich industrial quantity can be measured using radioactive isotopes?AThe age of fossils onlyBThe density of metal sheets and thickness of plastic filmsCThe atomic mass of metalsDThe melting points of solids Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Discovery of Neutron84Choose the best answerWhich element did Chadwick bombard with α particles to discover the neutron?ABoronBBerylliumCCarbonDHelium Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model85Choose the best answerWhich expression represents the Bohr radius constant, a₀?Aa₀ = ε₀h²/πme²Ba₀ = n²h²/4π²m²r²Ca₀ = Ze²/4πε₀Da₀ = h/2πm Like 0 Discuss 0Share